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Co-existence and co-infection of influenza A viruses and coronaviruses: Public health challenges.


ABSTRACT: Since the 20th century, humans have lived through five pandemics caused by influenza A viruses (IAVs) (H1N1/1918, H2N2/1957, H3N2/1968, and H1N1/2009) and the coronavirus (CoV) severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). IAVs and CoVs both have broad host ranges and share multiple hosts. Virus co-circulation and even co-infections facilitate genetic reassortment among IAVs and recombination among CoVs, further altering virus evolution dynamics and generating novel variants with increased cross-species transmission risk. Moreover, SARS-CoV-2 may maintain long-term circulation in humans as seasonal IAVs. Co-existence and co-infection of both viruses in humans could alter disease transmission patterns and aggravate disease burden. Herein, we demonstrate how virus-host ecology correlates with the co-existence and co-infection of IAVs and/or CoVs, further affecting virus evolution and disease dynamics and burden, calling for active virus surveillance and countermeasures for future public health challenges.

SUBMITTER: Yang J 

PROVIDER: S-EPMC9384331 | biostudies-literature | 2022 Sep

REPOSITORIES: biostudies-literature

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Co-existence and co-infection of influenza A viruses and coronaviruses: Public health challenges.

Yang Jing J   Gong Yuhuan Y   Zhang Chunge C   Sun Ju J   Wong Gary G   Shi Weifeng W   Liu Wenjun W   Gao George F GF   Bi Yuhai Y  

Innovation (Cambridge (Mass.)) 20220817 5


Since the 20<sup>th</sup> century, humans have lived through five pandemics caused by influenza A viruses (IAVs) (H1N1/1918, H2N2/1957, H3N2/1968, and H1N1/2009) and the coronavirus (CoV) severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). IAVs and CoVs both have broad host ranges and share multiple hosts. Virus co-circulation and even co-infections facilitate genetic reassortment among IAVs and recombination among CoVs, further altering virus evolution dynamics and generating novel va  ...[more]

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